Objective
- Saving operating expenses for electricity consumed
Status before investment implementation
- Pump in on—off operating state
- Supply of recirculation water to the pipeline is controlled manually by a relief valve
- Physically worn pump impeller
Status after investment
- The pump is controlled by a frequency converter depending on the pipeline pressure
- Reduction of pump density according to customer needs
- Equipment refurbishment
Benefit
- Reduction of expenses for electricity consumed by 45% (CZK 2.1 million per year)
- The investment return achieved within 2 years with CAPEX of CZK 2.3 million
Implementation detail
Replacement of pump to the central wastewater treatment plant
-
Objective of implementation
Renewal and innovation of equipment with energy cost savings -
Place of implementation
CWWTP in Ostrava-Vítkovice -
Technology used
Modern centrifugal scroll pump with frequency converter
-
Investment costs
Approx. CZK 2.3 mil. -
Return
2 years and under
